<template>
  <div class="component-upload-image">
    <el-upload
      ref="imageUpload"
      multiple
      :action="uploadImgUrl"
      :headers="headers"
      list-type="picture-card"
      :on-success="handleUploadSuccess"
      :before-upload="handleBeforeUpload"
      :limit="5"
      accept="image/png, image/jpeg,image/jpg"
      :on-error="handleUploadError"
      :on-exceed="handleExceed"
      :on-remove="handleDelete"
      :show-file-list="true"
      :file-list="fileList"
      :on-preview="handlePictureCardPreview"
    >
      <el-icon><Plus /></el-icon>
      <!-- 上传提示 -->
      <!-- <template #tip>
        <div v-if="showTip" class="el-upload__tip">
          请上传
          <template v-if="fileSize">
            大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b></template
          >
          <template v-if="fileType">
            格式为 <b style="color: #f56c6c">{{ fileType.join('/') }}</b></template
          >
          的文件
        </div>
      </template> -->
    </el-upload>

    <el-dialog v-model="dialogVisible" title="预览" width="800" append-to-body>
      <img :src="dialogImageUrl" style="display: block; max-width: 100%; margin: 0 auto" />
    </el-dialog>
  </div>
</template>

<script>
// import store from '/@/store/index.js'
import { delObj } from '/@/api/om/omofile'
import { Session } from '/@/utils/storage';
export default {
  props: {
    fileData: {
      type: Array,
      default: null
    }
  },
  // props: {
  //   modelValue: { type: [String, Object, Array], default: null },
  //   // 图片数量限制
  //   limit: {
  //     type: Number,
  //     default: 1
  //   },
  //   // 大小限制(MB)
  //   fileSize: {
  //     type: Number,
  //     default: 5
  //   },
  //   // 文件类型, 例如['png', 'jpg', 'jpeg']
  //   fileType: {
  //     type: Array,
  //     default: () => ['png', 'jpg', 'jpeg']
  //   },
  //   // 是否显示提示
  //   isShowTip: {
  //     type: Boolean,
  //     default: true
  //   }
  // },
  data() {
    return {
      number: 0,
      uploadList: [],
      dialogImageUrl: '',
      dialogVisible: false,
      hideUpload: false,
      // uploadImgUrl: '/om/omofile/upload', // 上传的图片服务器地址
      // uploadImgUrl: '/api/admin/scadaFile/localUpload', // 上传的图片服务器地址
      uploadImgUrl: '/api/admin/sys-file/upload', // 上传的图片服务器地址
      fileList: []
    }
  },
  computed: {
    // 是否显示提示
    showTip() {
      return this.isShowTip && (this.fileType || this.fileSize)
    },
    headers: function () {
      return {
        Authorization:`Bearer ${Session.getToken()}`
      }
    }
  },
  watch: {
    fileData: {
      handler(val) {
        if (val) {
          this.fileList = val
        }
      },
      immediate: true
    }
  },

  // watch: {
  //   modelValue: {
  //     handler(val) {
  //       if (val) {
  //         // 首先将值转为数组
  //         const list = Array.isArray(val) ? val : this.modelValue.split(',')
  //         // 然后将数组转为对象数组
  //         this.fileList = list.map((item) => {
  //           if (typeof item === 'string') {
  //             if (item.indexOf(this.baseUrl) === -1) {
  //               item = { name: this.baseUrl + item, url: this.baseUrl + item }
  //             } else {
  //               item = { name: item, url: item }
  //             }
  //           }
  //           return item
  //         })
  //       } else {
  //         this.fileList = []
  //         return []
  //       }
  //     },
  //     deep: true,
  //     immediate: true
  //   }
  // },
  methods: {
    // 上传前loading加载
    // handleBeforeUpload(file) {
    //   let isImg = false
    //   if (this.fileType.length) {
    //     let fileExtension = ''
    //     if (file.name.lastIndexOf('.') > -1) {
    //       fileExtension = file.name.slice(file.name.lastIndexOf('.') + 1)
    //     }
    //     isImg = this.fileType.some((type) => {
    //       if (file.type.indexOf(type) > -1) return true
    //       if (fileExtension && fileExtension.indexOf(type) > -1) return true
    //       return false
    //     })
    //   } else {
    //     isImg = file.type.indexOf('image') > -1
    //   }

    //   if (!isImg) {
    //     this.$message.error(`文件格式不正确, 请上传${this.fileType.join('/')}图片格式文件!`)
    //     return false
    //   }
    //   if (this.fileSize) {
    //     const isLt = file.size / 1024 / 1024 < this.fileSize
    //     if (!isLt) {
    //       this.$message.error(`上传头像图片大小不能超过 ${this.fileSize} MB!`)
    //       return false
    //     }
    //   }
    //   this.number++
    // },
    // 文件个数超出
    handleExceed() {
      this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`)
    },
    // 上传成功回调
    handleUploadSuccess(res, file) {
      if (res.code === 0) {
        // this.fileList.push({ fileId: res.data.fileId, url: this.baseUrl + res.data.url })

        console.log(res,'上传成功后的返回');
        // this.fileList.push({ fileId: res.data.fileId, url: this.baseUrl + res.data.url })
        // this.uploadedSuccessfully()

        if (res.code === 0) {
				this.fileList.push({ name: res.data.fileName, url: '/api' + res.data.url });
				this.uploadedSuccessfully();
			} 
      // else {
			// 	this.number--;
			// 	this.$message.error(res.msg);
			// 	this.$refs.imageUpload.handleRemove(file);
			// 	this.uploadedSuccessfully();
			// }
      }
      // else {
      //   this.number--
      //   this.$message.error(res.msg)
      //   this.$refs.imageUpload.handleRemove(file)
      //   this.uploadedSuccessfully()
      // }
    },
    // 删除图片
    handleDelete(file) {
      // delObj(file.fileId).then((res) => {})
      this.$emit('changeFile', this.fileList)
      delObj(file.fileId).then((res) => {})
      // const findList = this.fileList.find((item) => item.fileId !== file.fileId)
      // console.log(findList, 222)
      // this.fileList = findList
      // this.$emit('changeFile', this.fileList)

      // if (findex > -1) {
      //   this.fileList.splice(findex, 1)
      //   console.log(this.fileList)
      //   this.$emit('changeFile', this.fileList)
      //   // this.$emit('update:modelValue', this.listToString(this.fileList))
      // }
    },
    // },
    // 上传失败
    handleUploadError() {
      this.$message.error('上传图片失败，请重试')
    },
    // 上传结束处理
    uploadedSuccessfully() {
      this.fileList = this.fileList.concat(this.uploadList)
      this.uploadList = []
      this.$emit('changeFile', this.fileList)

      // if (this.number > 0 && this.uploadList.length === this.number) {
      //   this.fileList = this.fileList.concat(this.uploadList)
      //   this.uploadList = []
      //   this.number = 0
      //   this.$emit('update:modelValue', this.listToString(this.fileList))
      // }
    },
    // 预览
    handlePictureCardPreview(file) {
      this.dialogImageUrl = file.url
      this.dialogVisible = true
    }
    // 对象转成指定字符串分隔
    // listToString(list, separator) {
    //   let strs = ''
    //   separator = separator || ','
    //   for (const i in list) {
    //     if (list[i].url) {
    //       strs += list[i].url.replace(this.baseUrl, '') + separator
    //     }
    //   }
    //   return strs !== '' ? strs.substr(0, strs.length - 1) : ''
    // }
  }
}
</script>
<style scoped lang="scss">
// .el-upload--picture-card 控制加号部分
:deep(.hide .el-upload--picture-card) {
  display: none;
}

// 去掉动画效果
:deep(.el-list-enter-active),
:deep(.el-list-leave-active) {
  transition: all 0s;
}

:deep(.el-list-enter, .el-list-leave-active) {
  opacity: 0;
  transform: translateY(0);
}
</style>
